[lille] remove kwapi-clone

data/grid5000/sites/lille/servers/kwapi-clone.json

-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.47.146"
-    }
-  },
-  "type": "server",
-  "uid": "kwapi-clone"
-}
\ No newline at end of file

input/grid5000/sites/lille/servers/virtual.yaml

@@ -174,11 +174,6 @@ backupg5k:
   network_adapters:
     default:
       ip: 172.16.47.144
-kwapi-clone:
-  kind: virtual
-  network_adapters:
-    default:
-      ip: 172.16.47.146
 users-api:
   kind: virtual
   alias: [ums]